参数资料
型号: ISL6328CRZ-T
厂商: Intersil
文件页数: 9/33页
文件大小: 0K
描述: IC CTRLR PWM SYNC BUCK DL 48QFN
标准包装: 4,000
应用: 控制器,AMD SVI
输入电压: 5 V ~ 12 V
输出数: 2
输出电压: 0.0125 V ~ 1.55 V
工作温度: 0°C ~ 70°C
安装类型: *
封装/外壳: *
供应商设备封装: *
包装: *
ISL6328
Absolute Maximum Ratings
Supply Voltage (VCC) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -0.3V to +6V
Supply Voltage (PVCC) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -0.3V to +15V
Absolute Boot Voltage (V BOOT ) . . . . . . . . . . . . . . . GND - 0.3V to GND + 36V
Phase Voltage (V PHASE ). . . . . . . . . . . . . . . . . . . . . . . . . . . GND - 0.3V to 24V
(PVCC = 12V) GND - 8V (<400ns, 20μJ) to 31V (<200ns, 20μJ,
V BOOT-PHASE = 5V)
Upper Gate Voltage (V UGATE ). . . . . . . . . . . . V PHASE - 0.3V to V BOOT + 0.3V
V PHASE - 3.5V (<100ns Pulse Width, 2μJ) to V BOOT + 0.3V
Lower Gate Voltage (V LGATE ). . . . . . . . . . . . . . . .GND - 0.3V to PVCC + 0.3V
GND - 5V (<100ns Pulse Width, 2μJ) to PVCC+ 0.3V
Input, Output, or I/O Voltage . . . . . . . . . . . . . . . . . GND - 0.3V to VCC + 0.3V
ESD Rating
Human Body Model (Tested per JESD22-A114F) . . . . . . . . . . . . . . 2000V
Machine Model (Tested per JESD22-A115C) . . . . . . . . . . . . . . . . . 200V
Charge Device Model (Tested per JESD22-C101D) . . . . . . . . . . . . 2000V
Thermal Information
Thermal Resistance θ JA (°C/W) θ JC (°C/W)
QFN Package (Notes 4, 5) . . . . . . . . . . . . . . 27 1
Maximum Junction Temperature . . . . . . . . . . . . . . . . . . . . . . . . . . . .+150°C
Maximum Storage Temperature Range . . . . . . . . . . . . . .-65°C to +150°C
Pb-Free Reflow Profile . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . see link below
http://www.intersil.com/pbfree/Pb-FreeReflow.asp
Recommended Operating Conditions
VCC Supply Voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . +5V ±5%
PVCC Supply Voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . +5V to 12V ±5%
Ambient Temperature
ISL6328CRZ . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0°C to +70°C
ISL6328IRZ . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -40°C to +85°C
Latch Up (Tested per JESD78C; Class II, Level A) . . . . . . . . . . . . . . . 100mA
CAUTION: Do not operate at or near the maximum ratings listed for extended periods of time. Exposure to such conditions may adversely impact product
reliability and result in failures not covered by warranty.
NOTES:
4. θ JA is measured in free air with the component mounted on a high effective thermal conductivity test board with “direct attach” features. See Tech
Brief TB379 .
5. For θ JC , the “case temp” location is the center of the exposed metal pad on the package underside.
Electrical Specifications
Boldface limits apply over the operating temperature range.
MIN
MAX
PARAMETER
TEST CONDITIONS
(Note 6)
TYP
(Note 6)
UNITS
BIAS SUPPLIES
Input Bias Supply Current
Gate Drive Bias Current - PVCC Pin
VCC POR (Power-On Reset) Threshold
PVCC POR (Power-On Reset) Threshold
GVOT POR (Power-On Reset) Threshold
I VCC ; EN = high
I PVCC ; EN = high
VCC Rising
VCC Falling
PVCC Rising
PVCC Falling
GVOT Rising
GVOT Falling
3.6
3.6
3.6
26
4
4.35
3.85
4.45
3.95
4.45
3.95
35
8
4.7
4.7
4.7
mA
mA
V
V
V
V
V
V
PWM MODULATOR
Oscillator Frequency Accuracy, F SW
Oscillator Frequency Accuracy, F SW
Typical Adjustment Range of Switching Frequency
Oscillator Ramp Amplitude, V PP
R T = 100k Ω to Ground
R T = 100k Ω to VCC
(Note 7)
(Note 7)
230
225
0.150
250
255
1.5
265
287
1.5
kHz
kHz
MHz
V
CONTROL THRESHOLDS
EN Rising Threshold
EN Hysteresis
PWROK Input HIGH Threshold
PWROK Input LOW Threshold
VDDPWRGD
PWM Channel Disable Threshold
Open drain, VDDPWRGD = 1.24k Ω to 5V
V ISEN2- , V ISEN3- , V ISEN4-
0.8
70
0.9
0.8
0.87
100
1.05
0.95
0.92
190
1.2
1.1
0.5
4.4
V
mV
V
V
V
V
9
FN7621.1
June 7, 2011
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